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Can someone explain - Classification of Elements and Periodic table - JEE Main

The size of the iso-electronic species Cl^{-},Ar and Ca^{2+} is affected by :

  • Option 1)

    azimuthal quantum number of valence shell

  • Option 2)

    nuclear charge

  • Option 3)

    electron-electron interaction in the outer orbitals

  • Option 4)

    Principal quantum number of valence shell

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For isoelectronic species the size is compared  by Nuclear charge.


Option 1)

azimuthal quantum number of valence shell

Option 2)

nuclear charge

Option 3)

electron-electron interaction in the outer orbitals

Option 4)

Principal quantum number of valence shell

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